DIGESTIBILITY OF FISH SILAGE AND FISH MEAL BY NILE TILAPIA (OREOCHROMIS NIIOTICUS) | ||||
| Veterinary Medical Journal (Giza) | ||||
| Volume 41, Issue 3, July 1993, Page 109-114 PDF (2.72 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/vmjg.1993.377257 | ||||
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| Author | ||||
| TALAAT SHAHAT* | ||||
| National Institute of Oceanography and Fisheries, Egypt, Cairo, 101 Kasr El - aney Street. | ||||
| Abstract | ||||
| Two digestibility trials were conducted. The first to determine the digestibility coefficients of the local fish meal (low quality), fish meal (medium quality), fish silage made from fish processing waste and fish silage made from unusable fish for human consumption which were fed as a single ingredient for 5 days the apparent digestibility coefficient protein, lipid, calcium and phosphorus were higher for the fish silage (which was made from unusable fish for human consumption) followed by the other fish products. The second rial was to determine the digestibility coefficient of four diets, whereas, each diet contained one source of fish products. The higher values of digestibility coefficients were obtained from diet contained fish silage made from unusable fish for human consumption and fish silage made from fish processing waste. The present data also indicated that the nutritional value of fish silage was improved by storing the ingredients at -5 °C prior to insilling, and the diets made using these silages contained more intact protein and less free amino acids than diets made using conventional fish products. | ||||
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